JOHN J. WALKER MD
NPI 1275553851
Internal Medicine - Gastroenterology in High Point, NC

NPI Status: Active since July 19, 2006

Contact Information

624 QUAKER LN
SUITE 105C
HIGH POINT, NC
ZIP 27262
Phone: (336) 802-2105
Fax: (336) 802-2106

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About JOHN WALKER

This page provides the complete NPI Profile along with additional information for John Walker, an internist established in High Point, North Carolina with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1275553851 assigned on July 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 2002-01323 (NC). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1275553851
Provider Name
JOHN J. WALKER MD
Gender
Male
Entity Type
Individual
Location Address
624 QUAKER LN SUITE 105C HIGH POINT, NC 27262
Location Phone
(336) 802-2105
Location Fax
(336) 802-2106
Mailing Address
1701 WESTCHESTER DRIVE SUITE 850 HIGH POINT, NC 27262
Mailing Phone
(336) 802-2400
Mailing Fax
(336) 802-2106
Is Sole Proprietor?
No
Enumeration Date
07-19-2006
Last Update Date
06-23-2009
Code Navigator

An internist like John Walker is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
2002-01323
License State
NC
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
2009140MEDICARE ID-TYPE UNSPECIFIED (04) 
89132WMMEDICAID (05)NC 
F53012MEDICARE UPIN (02) 
100016836OTHER (01)NCRR MEDICARE

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1275553851, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 5 → 10 → 1 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 4 + 5 + 1 + 0 + 5 + 6 + 8 + 1 + 0 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1275553851.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
624 QUAKER LN, STE 201C
HIGH POINT, NC 27262
Specialist
624 QUAKER LN, SUITE 117-B
HIGH POINT, NC 27262
Internal Medicine
624 QUAKER LN, SUITE 200 D
HIGH POINT, NC 27262
Internal Medicine
624 QUAKER LN, SUITE 200D
HIGH POINT, NC 27262
Internal Medicine (Gastroenterology)
624 QUAKER LN, SUITE 105C
HIGH POINT, NC 27262
Internal Medicine (Gastroenterology)
624 QUAKER LN, SUITE 105C
HIGH POINT, NC 27262
Physician Assistant
624 QUAKER LN, SUITE 105C
HIGH POINT, NC 27262
Audiologist
624 QUAKER LN, SUITE 208C
HIGH POINT, NC 27262
Otolaryngology
624 QUAKER LN, SUITE 208C
HIGH POINT, NC 27262
Otolaryngology
624 QUAKER LN, SUITE 208C
HIGH POINT, NC 27262
Physician Assistant
624 QUAKER LN, SUITE 105C
HIGH POINT, NC 27262
Audiologist
624 QUAKER LN, SUITE 208C
HIGH POINT, NC 27262
Nurse Practitioner
624 QUAKER LN, SUITE 100D
HIGH POINT, NC 27262
Urology
624 QUAKER LN, STE C103
HIGH POINT, NC 27262
Physical Therapist
624 QUAKER LN, SUITE 206C
HIGH POINT, NC 27262
Nurse Practitioner (Adult Health)
624 QUAKER LN, SUITE 100-C
HIGH POINT, NC 27262
Clinic/Center (Endoscopy)
624 QUAKER LN, SUITE C106
HIGH POINT, NC 27262
Specialist
624 QUAKER LN, SUITE 104C
HIGH POINT, NC 27262
Audiologist
624 QUAKER LN, SUITE 208-C
HIGH POINT, NC 27262
Internal Medicine
624 QUAKER LN, SUITE 200D
HIGH POINT, NC 27262

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275553851, enumerated as an "individual" on July 19, 2006.

The provider is located at 624 QUAKER LN SUITE 105C HIGH POINT, NC 27262 and the phone number is (336) 802-2105.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare, Medicaid and Railroad Medicare. Please consult your insurance carrier or call the provider to verify.